摘要:
各种不同的数据库查询前N条记录,都不一样,现在总结了一下,列了出来: 1. ORACLE SELECT * FROM TABLE1 WHERE ROWNUM <= N 2. INFORMIX SELECT FIRST N * FROM TABLE1 3. DB2 SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHERE ROWNUM<=N或者SELECT COLUMN FROM TABLE FETCH FIRST N ROWS ONLY 4. SQL SERVER SELECT TOP N * FROM... 阅读全文